In a mutual control structure agents exercise control over each other. Typical examples occur in the area of corporate governance: firms and investment companies exercise mutual control, inâ€¦ (More)

We generalize the class of apex game by combining a winning coalition of symmetric minor players with a collection of apex sets which can form winning coalitions only together with a fixed quota ofâ€¦ (More)

We characterize the class of weakly efficient n-person bargaining solutions that solely depend on the ratios of the playersâ€™ ideal payoffs. In the case of at least three players the ratio between theâ€¦ (More)

We provide a model of coalitional bargaining with claims in order to solve games with non-transferable utilities and externalities. We show that, for each such game, payoff configurations exist whichâ€¦ (More)